Gerry Baker is Editor at Large of The Wall Street Journal. His weekly column for the editorial page, “Free Expression,” appears in The Wall Street Journal each Tuesday. Mr. Baker is also host ...

The sum of scalar quantities can be found by adding their values together.

Feb. 25, 2025 — An intriguing native Australian rat-kangaroo, thought to be probably extinct, may still be running around in the inhospitable remote Sturt Stony Desert -- and researchers have ...